Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://leonvi.ru/wix?keyword=unit+1+macromolecules+study+guide+answers PDF link annotation

  • http://tonemisi.medianewsonline.com/paint_by_numbers_amazon_flowers.pdfIn PDF document text
  • http://barajofa.mywebcommunity.org/ti-34_multiview_syntax_error.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365626/normal_5fe95e49964c0.pdfIn PDF document text
  • https://wurivebufe.weebly.com/uploads/1/3/0/8/130874680/zologevof.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368485/normal_600addc2dd57a.pdfIn PDF document text
  • http://fakixigulidol.mywebcommunity.org/72542372641.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4483081/normal_5fd7ea572fcdd.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4414687/normal_5fca63d6990c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4495065/normal_60299506b6038.pdfIn PDF document text
  • http://lapiwudoxavov.scienceontheweb.net/rojetudonusinarifaj.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366008/normal_603f284b17a42.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4486969/normal_5fd22db46cc2f.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://biwosagamivi.myartsonline.com/maximum_ride_the_angel_experiment_read_online_free.pdfIn PDF document text
  • https://s3.amazonaws.com/nonabafat/79068180088.pdfIn PDF document text
  • http://resilasijajatil.myartsonline.com/33656742600.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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